EP1744938A2 - Dispositif de gonflage - Google Patents

Dispositif de gonflage

Info

Publication number
EP1744938A2
EP1744938A2 EP05728971A EP05728971A EP1744938A2 EP 1744938 A2 EP1744938 A2 EP 1744938A2 EP 05728971 A EP05728971 A EP 05728971A EP 05728971 A EP05728971 A EP 05728971A EP 1744938 A2 EP1744938 A2 EP 1744938A2
Authority
EP
European Patent Office
Prior art keywords
opening
inflator
baffle
wall
inflation fluid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP05728971A
Other languages
German (de)
English (en)
Inventor
Eduardo L. Quioc
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Automotive Systems Laboratory Inc
Original Assignee
Automotive Systems Laboratory Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Automotive Systems Laboratory Inc filed Critical Automotive Systems Laboratory Inc
Publication of EP1744938A2 publication Critical patent/EP1744938A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
    • B60R21/264—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
    • B60R21/2644—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic using only solid reacting substances, e.g. pellets, powder
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
    • B60R2021/26011—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using a filter through which the inflation gas passes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
    • B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
    • B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
    • B60R21/264—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic
    • B60R21/2644—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic using only solid reacting substances, e.g. pellets, powder
    • B60R2021/2648—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using instantaneous generation of gas, e.g. pyrotechnic using only solid reacting substances, e.g. pellets, powder comprising a plurality of combustion chambers or sub-chambers

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air Bags (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)

Abstract

L'invention concerne un dispositif de gonflage (10) destiné à un système de retenue (180) d'occupant de véhicule. Ledit dispositif de gonflage (10) comprend une paroi extérieure (18) cylindrique dotée d'un axe longitudinal et une première ouverture (20) formée le long e dudit axe afin de permettre une communication fluide entre l'intérieur et l'extérieur du dispositif de gonflage (24). Une première source (22) de fluide de gonflage est positionnée à l'intérieur de la paroi extérieure (18). Un système de cloison (58) est fonctionnellement interposé entre la première source (22) de fluide de gonflage et la paroi extérieure (18) afin de transporter le liquide de gonflage entre ladite première source (22) de fluide de gonflage et ladite paroi extérieure (18), et de refroidir ledit fluide de gonflage. Une seconde ouverture (61) permet une communication fluidique entre la première source (22) de fluide de gonflage et le système de cloison (58), une troisième ouverture (62) permettant une communication fluidique entre le système de cloison (58) et la paroi extérieure (18). La première ouverture (20) est, de préférence, sensiblement radialement alignée avec la seconde ouverture (61). Un tampon métallique (68) maillé étendu peut être positionné à l'intérieur du système de cloison (58). Des ouverture permettant une communication fluidique entre le système de cloison (58) et l'extérieur dudit système de cloison, des ouvertures quelconques situées à l'intérieur du système de cloison (58) et l'ouverture (20) permettant une communication fluidique entre l'intérieur et l'extérieur du logement (18) du dispositif de gonflage sont positionnées en coopération afin de diriger l'écoulement du gaz de gonflage à travers le système de cloison (58) dans un sens sensiblement perpendiculaire et/ou sensiblement parallèle à l'axe longitudinal A. L'invention concerne également un système de retenue (180) d'occupant de véhicule incorporant un dispositif de gonflage (10) de l'invention.
EP05728971A 2004-03-10 2005-03-10 Dispositif de gonflage Withdrawn EP1744938A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US55196604P 2004-03-10 2004-03-10
US55196704P 2004-03-10 2004-03-10
US11/076,683 US7267365B2 (en) 2004-03-10 2005-03-09 Inflator
PCT/US2005/007972 WO2005086917A2 (fr) 2004-03-10 2005-03-10 Dispositif de gonflage

Publications (1)

Publication Number Publication Date
EP1744938A2 true EP1744938A2 (fr) 2007-01-24

Family

ID=34976238

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05728971A Withdrawn EP1744938A2 (fr) 2004-03-10 2005-03-10 Dispositif de gonflage

Country Status (4)

Country Link
US (1) US7267365B2 (fr)
EP (1) EP1744938A2 (fr)
JP (1) JP4685091B2 (fr)
WO (1) WO2005086917A2 (fr)

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WO2005086917A3 (fr) 2006-11-16
JP4685091B2 (ja) 2011-05-18
US7267365B2 (en) 2007-09-11
JP2007528322A (ja) 2007-10-11
US20050263994A1 (en) 2005-12-01
WO2005086917A2 (fr) 2005-09-22

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